. Il libro di insetto [microformati] : un popolare conto delle api, vespe, formiche, cavallette, mosche e altri North American insetti esclusive delle farfalle e falene e coleotteri, con una vita piena di storie, di tabelle e di bibliografie. Insectes; gli insetti. Il IVINDOIV-vola ^ND lo stiletto-vola (famiglie Sciiwpiiiidcc ami 'J'/uirviii(r). La Scenopinid mosche, che Comstock denominata finestra- vola per il motivo che essi sono abbastanza comunemente visto con le finestre delle case, sono piccole, attivo, splendente Hies nero di cui abbiamo una mezza dozzina di specie in America del Nord, i più comuni essendo Siciiopinii

• Collaboratore: The Book Worm / Alamy Foto Stock
• ID dell’immagine: REN29C
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. The insect book [microform] : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies. Insectes; Insects. THE IVINDOIV-FLIES ^ND THE STILETTO-FLIES (Families Sciiwpiiiidcc ami 'J'/uirviii(r.) The Scenopinid flies, which Comstock called the window- flies for the reason that they are quite commonly seen upon the windows of houses, are small, active, shining black Hies of which we have a half-dozen species in North America, the commonest being Siciiopiniis feiicstralis Linn., which is common to both Europe and North America. Its specilic name, fenestralis. i^ due to its window-loving habit. The larviv of these flies resemble those of the following family, and are long and very slender, white in color and with apparently many f-; joints to the body. They ^" are frequently found under carpets and in decaying wood; also in woolen blankets, and Riley has stated that he found one in human expectoration. |, . This, however, was prob- ably accidental. The manager of a storage warehouse noticed many of these slender, white l.irv.-c under carpets sent in by his customers for storage. He was worried at their number since he supposed that their presence might indicate the advent of some new kind of carpet moth. He was assured, however, that they were considered as predatory in habit, and that they feed upon clothes moths and otier insects found in such places, such as book-lice. Nowhere, he vvever. does there appear to be any record of any definite observations on this point. One observer tells me that he tried to dec'de this question, but that the insect intended for '39. -Si:i-ncipiims fc-ncstr:ili> ». Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Howard,

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1900
• booksubjectinsects
• bookyear1901